I used this on my cube..theres noting wrong with it..just got a bigger sump.. want to trade..coral or rock..or something i might need or want for my tank.. so pm me an let me no what u got.. i no ppl dont use the bio balls ..i took them out an had rock in there..worked fine for me..
Snapshot_20120307.jpg\Snapshot_20120307_1.jpg 8"w x 20"L x 13" on low end an 17.5" on the hi end high..